(PIKESVILLE, Md.) -- Over 30 people were injured after a public transit bus struck multiple vehicles before crashing into a building in Maryland on Wednesday, authorities said.

The incident occurred shortly before 6 p.m. ET in Pikesville, located northwest of Baltimore, just outside the city limits.

A Maryland Transit Administration bus "struck several vehicles before losing control and striking a building," the Baltimore County Police Department said.

The bus driver was transported to a hospital with life-threatening injuries, police said. Additionally, 36 people were transported to area hospitals, police said.

Twelve vehicles were involved in the incident, including one that rolled over, according to authorities.

"The circumstances leading up to this crash remain under investigation," police said Thursday.

Maryland Gov. Wes Moore said he is monitoring the situation.

"We are deeply grateful for our first responders who acted with speed and skill to ensure the safety of our neighbors," he said in a post on social media. "We've been in close coordination with local officials to provide any support needed on the ground."

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